13 citations · 34 across the 9 of their papers we have counts for
17 papers
Quasiparticle Quality Factors in Superconducting Resonators: Effects of Bath Temperature and Readout Power
Zhenyuan Sun, S Withington, Songyuan Zhao
The performance of superconducting resonators underpins a wide range of modern quantum technologies, yet their quality factor often deviates at low temperatures from standard Matti…
Superconducting NbN Resonator Parametric Amplifiers for Millimetre Wavelengths
Songyuan Zhao, Stafford Withington, Christopher Thomas
We report the development of a reactive sputtering process for high NbN films with high normal-state resistivity, tailored for kinetic inductance parametric amplifie…
Superconducting Ring Resonators: Modelling, Simulation, and Experimental Characterisation
Zhenyuan Sun, Stafford Withington, Christopher Thomas +1
We present a theoretical and experimental study of superconducting ring resonators as an initial step toward their implementation in superconducting electronics and quantum technol…
Non-degenerate pumping of superconducting resonator parametric amplifier with evidence of phase-sensitive amplification
Songyuan Zhao, Stafford Withington, Christopher Thomas
Superconducting resonator parametric amplifiers are potentially important components for a wide variety of fundamental physics experiments and utilitarian applications. We propose…
Determining Absolute Neutrino Mass using Quantum Technologies
A. A. S. Amad, F. F. Deppisch, M. Fleck +19
Next generation tritium decay experiments to determine the absolute neutrino mass require high-precision measurements of -decay electron energies close to the kinematic end poin…
Superconducting resonator parametric amplifiers with intrinsic separation of pump and signal tones
Songyuan Zhao, Stafford Withington, Christopher Niall Thomas
Superconducting resonator parametric amplifiers achieve ultra-low-noise amplification through the nonlinear kinetic inductance of thin-film superconductors. One of the main challen…